Well, the article is now uploaded. I got a lot of replies with pledges of photographs from over forty people around the world. So far only nine have submitted an image...including me.
http://www.asignobservatory.com/worl...pollution.aspx
Ah well, more should roll in over time. There is enough there so far to get the general idea of what I was trying to illustrate with the different levels of LP around the world.
Baz.